过剩生产能力

如果命题p的逆命题是q，命题p的否命题是r，则q是r的（　　）

A．逆命题

B．否命题

C．逆否命题

D．以上均错

男性，70岁，高热、咳嗽、咳痰3周，治疗期间出现皮肤青紫，咯血，呼吸困难，意识模糊，肢端湿冷，少尿，血压70／40mmHg。血培养：阴性杆菌生长。血常规：白细胞13．6×10⁹／L，血小板50×10⁹／L。尿常规潜血（+）。APTT延长，FDP升高

该患者的诊断应是（）

A.过敏性紫癜

B.DIC

C.急性白血病

D.急性肺水肿

E.血小板减少性紫癜

订货的前置时间称为订货提前期；对在制品和半成品来说，（）也称为生产提前期。

The house was very quiet, ______ as it was on the side of a mountain.

A．isolated

B．isolating

C．being isolated

D．having been isolated

My father is _______. And we just had a party for his _______ birthday last weekend.

A．forty; fortieth

B．forty; forty

C．fortieth; forty

D．fortieth; fortieth